CN111576288B - Can prevent self-fixing railway construction protection rail that eminence fell object - Google Patents
Can prevent self-fixing railway construction protection rail that eminence fell object Download PDFInfo
- Publication number
- CN111576288B CN111576288B CN202010495869.3A CN202010495869A CN111576288B CN 111576288 B CN111576288 B CN 111576288B CN 202010495869 A CN202010495869 A CN 202010495869A CN 111576288 B CN111576288 B CN 111576288B
- Authority
- CN
- China
- Prior art keywords
- cavity
- fixedly connected
- lifting
- box
- drill bit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01F—ADDITIONAL WORK, SUCH AS EQUIPPING ROADS OR THE CONSTRUCTION OF PLATFORMS, HELICOPTER LANDING STAGES, SIGNS, SNOW FENCES, OR THE LIKE
- E01F15/00—Safety arrangements for slowing, redirecting or stopping errant vehicles, e.g. guard posts or bollards; Arrangements for reducing damage to roadside structures due to vehicular impact
- E01F15/006—Lane control by movable lane separating barriers, e.g. shiftable barriers, retractable kerbs ; Apparatus or barriers specially adapted therefor, e.g. wheeled barriers
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/32—Safety or protective measures for persons during the construction of buildings
- E04G21/3261—Safety-nets; Safety mattresses; Arrangements on buildings for connecting safety-lines
- E04G21/3266—Safety nets
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Refuge Islands, Traffic Blockers, Or Guard Fence (AREA)
- Earth Drilling (AREA)
Abstract
The invention discloses a self-fixing railway construction protection fence capable of preventing objects falling from a high place; including the main tank body, be equipped with the magnetic slide chamber of opening right in the main tank body, magnetic slide chamber upside is equipped with the ascending cage chamber of opening, magnetic slide chamber left side intercommunication is equipped with the crank link chamber, equidistance setting and opening pull ring chamber left about crank link chamber downside is equipped with, through preventing weighing down net and rail integration, the accessible is opened and is prevented weighing down the net and carry out the eminence and prevent weighing down when carrying out overhead construction, solved frequently build the scaffold of dismantlement when overhead construction and lead to preventing weighing down the net and have no fixed problem, will pass through the magnetic force between vehicle iron automobile body and the magnetic slide as power, it moves downwards when driving the drill bit pivoted, thereby realize automatic fixation, it is fixed comparatively firm to creep into downwards through the drill bit simultaneously, can play certain crashproof effect, when needs are demolishd, the pulling pull ring can be removed fixedly automatically.
Description
Technical Field
The invention relates to the technical field related to railway construction protection, in particular to a self-fixing railway construction protection fence capable of preventing objects from falling from a high place.
Background
Railway overhead is in when the construction, in order to prevent the eminence junk, generally can set up protection rail in the half meter department in the overhead outside, make construction road vehicle travelable space further less, and because the scaffold can be built or demolish along with the construction progress around the overhead, thereby lead to not having suitable space to set up the protection network and prevent weighing down, on the other hand, because the rail only uses the bolt to fix usually, the anticollision is relatively poor, the rail outside need install the anticollision generally and bring assurance safety, and simultaneously, because the propulsion of the construction conditions, the position of rail and anticollision area also need often change, frequently install and demolish and can bring a large amount of work load.
Disclosure of Invention
Aiming at the technical defects, the invention provides a self-fixing railway construction protection fence capable of preventing objects falling from high places, which can overcome the defects.
The invention relates to a self-fixing railway construction protective fence capable of preventing objects from falling from high places, which comprises a main box body, wherein a magnetic slider cavity with a right opening is arranged in the main box body, a lifting box cavity with an upward opening is arranged on the upper side of the magnetic slider cavity, a crank connecting rod cavity is communicated with the left side of the magnetic slider cavity, pull ring cavities which are arranged at equal intervals from top to bottom and have a left opening are arranged on the lower side of the crank connecting rod cavity, pull rings are connected in the pull ring cavities in a sliding fit manner, flywheel cavities are arranged on the upper side of the crank connecting rod cavity, pawl box sliding cavities are symmetrically arranged on the front side and the rear side of the flywheel cavity, pawl box sliding cavities are communicated outwards and are provided with ratchet cavities, a drill bit cavity with a downward opening is arranged on the lower side of the ratchet cavities, a lifting box is connected in a sliding fit manner in the lifting box cavity, a blocking plate cavity with a right, the rack and pinion cavity front side is equipped with the cable wheel chamber, lift case chamber left side intercommunication is equipped with the opening and dials the board chamber to the left, lift case left end face fixedly connected with runs through dial the board to external group board in board chamber, the lift case under the terminal surface with fixedly connected with lift case spring between the terminal wall under the lift case, lift case chamber right side end wall fixedly connected with the rack that rack and pinion cavity corresponds.
On the basis of the technical scheme, two belt wheel cavities which are symmetrically arranged from top to bottom and extend towards the front side and the rear side are arranged on the upper side of the crank connecting rod cavity, the upper end wall of the crank connecting rod cavity is connected with a transmission middle shaft which extends upwards to penetrate through the flywheel cavity to the upper side in a rotating fit mode, the transmission middle shaft extends downwards into the crank connecting rod cavity, the tail end of the lower side of the transmission middle shaft is fixedly connected with a one-way bearing, the one-way bearing is connected with a rotary disc in a rotating fit mode, the lower end face of the rotary disc is fixedly connected with a cylindrical pin, the tail end of the lower side of the cylindrical pin is connected with a connecting rod which extends rightwards into the magnetic sliding block cavity in a rotating fit mode, the tail end of the right side of the connecting rod is.
On the basis of the technical scheme, an inner side belt wheel fixedly connected with the transmission center shaft is arranged in the belt wheel cavity, a drill bit rotating shaft which extends upwards into the belt wheel cavity and downwardly extends through the belt wheel cavity to the drill bit cavity is connected to the upper end wall of the ratchet wheel cavity in a rotating fit manner, a middle belt wheel is fixedly connected to the tail end of the upper side of the drill bit rotating shaft, a drill bit which is connected with the drill bit rotating shaft in a spline fit manner is arranged in the drill bit cavity, a lifting rotating plate cavity is communicated with the outer side of the drill bit cavity, a lifting rotating plate which extends outwards into the lifting rotating plate cavity is connected to the tail end of the upper side of the drill bit in a rotating fit manner, a lifting rotating shaft which extends upwards into the belt wheel cavity and is in threaded fit connection with the lifting rotating plate is connected to the lower end wall of the lifting rotating, the tail end of the upper side of the lifting rotating shaft is fixedly connected with an outer belt wheel, the middle belt wheel and the inner belt wheel are connected with a transmission belt in a power fit mode.
On the basis of the technical scheme, a pawl box is connected in a sliding cavity of the pawl box in a sliding fit mode, a ratchet wheel fixedly connected with a drill bit rotating shaft is arranged in the ratchet wheel cavity, a pawl box spring is fixedly connected between the inner end face of the pawl box and the inner end wall of the sliding cavity of the pawl box, a pawl cavity with an outward opening is arranged in the pawl box, a pawl rotating shaft is connected between the upper end wall and the lower end wall of the pawl cavity in a rotating fit mode, a non-return pawl abutted to the ratchet wheel can be fixedly connected to the pawl rotating shaft, and a pawl box pull rope fixedly connected with the other end and the lower side of the inner end face of the pawl box.
On the basis of the technical scheme, the rear side of the blocking plate cavity is communicated with a guide rail, the front side of the blocking plate cavity is communicated with a lifting slider cavity, the lifting slider cavity is connected with a lifting slider in a sliding fit manner, the lifting slider is connected with a blocking plate rotating shaft which extends backwards in the blocking plate cavity in a rotating fit manner, a lifting box is fixedly connected to the blocking plate rotating shaft, the rear end face of the lifting box is fixedly connected with a guide slider which is connected with the guide rail in a sliding fit manner, a left and right through anti-falling net is arranged in the blocking plate in an initial state, and an anti-falling net cavity is fixedly connected between the upper end wall and the lower end wall of.
On the basis of the technical scheme, the front end wall of the rack and gear cavity is connected with a wire wheel rotating shaft which extends forwards into the wire wheel cavity and backwards into the rack and gear cavity in a rotating and matching way, the tail end of the rear side of the rotating shaft of the wire wheel is fixedly connected with a rack gear which can be meshed with the rack, the tail end of the rear side of the rotating shaft of the wire wheel is fixedly connected with the wire wheel, the other end of the lifting pull rope is fixedly connected with the upper end face of the lifting slide block, a limiting cavity with a leftward opening is arranged on the left side of the rack and gear cavity, a limiting block cavity which can correspond to the limiting cavity is communicated with the left side of the lifting box cavity, a limiting block is connected in the limiting block cavity in a sliding fit manner, a limiting block spring is fixedly connected between the left end surface of the limiting block and the left end wall of the limiting block cavity, the left end face of the limiting block is fixedly connected with a limiting block pull rope, the other end of the limiting block pull rope is fixedly connected with the upper side of the limiting block, and the right end face of the pull ring is fixedly connected with the limiting block pull rope.
The invention has the beneficial effects that: through preventing weighing down net and rail integration, the accessible is opened and is prevented weighing down the net and carry out the eminence and prevent weighing down when carrying out overhead construction, solved frequently to build the scaffold of dismantlement when overhead construction and lead to preventing weighing down the problem that net nothing is fixed, will pass through the magnetic force between vehicle iron automobile body and the magnetic slider as power, downstream when driving the drill bit pivoted, thereby realize automatic fixed, it is fixed comparatively firm to creep into downwards through the drill bit simultaneously, can play certain anticollision effect, when needs are demolishd, the pulling pull ring can be removed fixedly automatically.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the invention, and it is obvious for those skilled in the art that other drawings can be obtained based on these drawings without creative efforts.
FIG. 1 is a schematic view of a self-fixing railway construction protective fence capable of preventing objects falling from a high place according to the present invention;
FIG. 2 is a schematic sectional view taken along the line A-A in FIG. 1;
FIG. 3 is a schematic sectional view taken along line B-B in FIG. 1;
fig. 4 is a schematic sectional view of the structure in the direction of C-C in fig. 3.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations and/or steps that are mutually exclusive.
The invention will now be described in detail with reference to fig. 1-4, for convenience of description, the following orientations will now be defined: the up, down, left, right, and front-back directions described below correspond to the up, down, left, right, and front-back directions in the projection relationship of fig. 1 itself.
As shown in fig. 1-4, the self-fixing railway construction protective fence capable of preventing objects from falling from high places of the invention comprises a main box body 10, a magnetic slider cavity 21 with a right opening is arranged in the main box body 10, a lifting box cavity 57 with an upward opening is arranged on the upper side of the magnetic slider cavity 21, a crank connecting rod cavity 32 is communicated and arranged on the left side of the magnetic slider cavity 21, a pull ring cavity 18 with a left opening and arranged at equal distance from top to bottom is arranged on the lower side of the crank connecting rod cavity 32, a pull ring 19 is connected in a sliding fit manner in the pull ring cavity 18, a flywheel cavity 14 is arranged on the upper side of the crank connecting rod cavity 32, pawl box sliding cavities 46 are symmetrically arranged on the front side and the rear side of the flywheel cavity 14, a pawl box sliding cavity 39 is communicated and arranged outwards from the pawl box sliding cavity 46, a drill bit cavity 33 with a downward opening is arranged on the lower side of the pawl cavity 39, a lifting box cavity 57 is connected in a lifting box 64 in a sliding, the baffle chamber 61 downside is equipped with the rack and pinion chamber 55 of opening right, rack and pinion chamber 55 front side is equipped with takes turns chamber 52, lift case chamber 57 left side intercommunication is equipped with opening group board chamber 60 to the left, lift case 64 left end face fixedly connected with runs through group board chamber 60 to external group board 62, lift case 64 lower terminal surface with fixedly connected with lift case spring 63 between the end wall under the lift case 64, lift case chamber 57 right-hand member wall fixedly connected with the rack 25 that rack and pinion chamber 55 corresponds.
In addition, in one embodiment, two pulley cavities 43 which are symmetrically arranged up and down and extend to the front side and the rear side are arranged on the upper side of the crank connecting rod cavity 32, a transmission middle shaft 68 which extends upwards through the flywheel cavity 14 to the pulley cavity 43 at the upper side and extends downwards into the crank connecting rod cavity 32 is connected in a rotating fit manner in the upper end wall in the crank connecting rod cavity 32, the lower end of the transmission middle shaft 68 is fixedly connected with a one-way bearing 31, the one-way bearing 31 is connected with a turntable 30 in a rotating matching way, the lower end face of the rotary disc 30 is fixedly connected with a cylindrical pin 16, the tail end of the lower side of the cylindrical pin 16 is connected with a connecting rod 17 which extends rightwards into the magnetic slide block cavity 21 in a rotating matching way, the right end of the connecting rod 17 is hinged with a magnetic slider 20 which is connected with the magnetic slider cavity 21 in a sliding fit manner, a slider return spring 22 is fixedly connected between the left end surface of the magnetic slider 20 and the left end wall of the magnetic slider cavity 21.
In addition, in one embodiment, an inner side belt pulley 44 fixedly connected with the transmission center shaft 68 is arranged in the belt pulley cavity 43, a drill bit rotating shaft 35 which extends upwards into the belt pulley cavity 43 and downwards through the belt pulley cavity 39 to the drill bit cavity 33 is connected in a rotationally matched manner in the upper end wall of the ratchet wheel cavity 39, an intermediate belt pulley 40 is fixedly connected with the upper end of the drill bit rotating shaft 35, a drill bit 34 which is in spline matched connection with the drill bit rotating shaft 35 is arranged in the drill bit cavity 33, a lifting rotating plate cavity 71 is communicated with the outer side of the drill bit cavity 33, a lifting rotating plate 36 which extends outwards into the lifting rotating plate cavity 71 is connected in a rotationally matched manner in the upper end of the drill bit 34, a lifting rotating shaft 70 which extends upwards into the belt pulley cavity 43 and is in threaded matched connection with the lifting rotating plate 36 is connected in a rotationally matched manner in the lower end wall of the lifting rotating plate cavity 71, a reverse return spring 41 is fixedly connected between the upper end surface of the lifting rotating shaft 70 and, the tail end of the upper side of the lifting rotating shaft 70 is fixedly connected with an outer belt wheel 69, and a transmission belt 42 is connected among the outer belt wheel 69, the middle belt wheel 40 and the inner belt wheel 44 in a power fit manner.
In addition, in one embodiment, a pawl box 47 is connected in a sliding fit manner in the pawl box sliding cavity 46, a ratchet 38 fixedly connected with the drill bit rotating shaft 35 is arranged in the ratchet cavity 39, a pawl box spring 45 is fixedly connected between an inner end surface of the pawl box 47 and an inner end wall of the pawl box sliding cavity 46, a pawl cavity 28 with an outward opening is arranged in the pawl box 47, a pawl rotating shaft 26 is connected between an upper end wall and a lower end wall of the pawl cavity 28 in a rotating fit manner, a check pawl 27 capable of abutting against the ratchet 38 is fixedly connected to the pawl rotating shaft 26, and a pawl box pull rope 29 with the other end fixedly connected with a right end surface of the pull ring 19 on the lower side is further fixedly connected to the inner end surface of the.
In addition, in an embodiment, the rear side of the baffle plate cavity 61 is communicated with a guide rail 59, the front side of the baffle plate cavity 61 is communicated with a lifting slider cavity 48, a lifting slider 51 is connected to the lifting slider cavity 48 in a sliding fit manner, a baffle plate rotating shaft 50 extending backwards into the baffle plate cavity 61 is connected to the lifting slider 51 in a rotating fit manner, a lifting box 64 is fixedly connected to the baffle plate rotating shaft 50, a guide slider 58 connected with the guide rail 59 in a sliding fit manner is fixedly connected to the rear end face of the lifting box 64, a left-right through anti-falling net 67 is arranged in the baffle plate 65 in an initial state, and an anti-falling net cavity 66 is fixedly connected between the upper end wall and the lower end wall.
In addition, in one embodiment, a pulley rotating shaft 54 which extends forwards into the pulley cavity 52 and backwards into the rack and pinion cavity 55 is connected to the front end wall of the rack and pinion cavity 55 in a rotationally-matched manner, a rack and pinion 56 which can be meshed with the rack 25 is fixedly connected to the rear end of the pulley rotating shaft 54, a pulley 53 is fixedly connected to the rear end of the pulley rotating shaft 54, a lifting rope 49 whose other end is fixedly connected to the upper end face of the lifting slider 51 is fixedly connected to the pulley 53, a limiting cavity 24 with a leftward opening is arranged on the left side of the rack and pinion cavity 55, a limiting block cavity 12 which can correspond to the limiting cavity 24 is arranged on the left side of the lifting box cavity 57 in a communicated manner, a limiting block 23 is connected to the limiting block cavity 12 in a rotationally-matched manner, and a limiting block spring 11 is fixedly connected between the left end face of the limiting block 23, the left end face of the limiting block 23 is also fixedly connected with a limiting block pull rope 13, the other end of which is fixedly connected with the right end face of the pull ring 19 at the upper side.
The applicant shall now specifically describe a self-fixing railway construction protective fence for protection against falling objects according to the present application with reference to the accompanying figures 1-4 and the above description: when the vehicle runs away, the magnetic slider 20 is reversed and reset under the action of the tension of the slider reset spring 22 to drive the turntable 30 to rotate, so that the transmission middle shaft 68 is driven to rotate through the connecting rod 17, the flywheel cavity 15 is driven to rotate through the rotation of the transmission middle shaft 68, and the turntable 30 is driven to rotate, and the unidirectional bearing 31 is driven to rotate; after the flywheel cavity 15 rotates, the flywheel cavity continues to rotate for a period of time due to self inertia, so that the inner side belt wheel 44 is driven to rotate, the inner side belt wheel 44 rotates to drive the middle belt wheel 40 and the outer side belt wheel 69 to rotate through the transmission belt 42, so that the drill bit rotating shaft 35 is driven to rotate, the drill bit rotating shaft 35 rotates to drive the drill bit 34 to rotate, meanwhile, the outer side belt wheel 69 rotates to drive the lifting rotating shaft 70 to rotate by overcoming the elastic force of the reverse return spring 41, so that the lifting rotating plate 36 is driven to move downwards, the lifting rotating plate 36 moves downwards to drive the drill bit 34 to move downwards, so that the downward drilling of the drill bit 34 is realized, when the transmission center shaft 68 stops rotating, the ratchet 38 is limited by the non-return pawl; when the high-altitude falling object needs to be prevented, the upper pull ring 19 is pulled, so that the limit block 23 is driven by the limit block pull rope 13 to move leftwards to be separated from the limit cavity 24 by overcoming the thrust of the limit block spring 11, the lifting box 64 loses the limit of the limit block 23 and moves upwards under the thrust of the lifting box spring 63, the rack gear 56 is driven by the rack 25 to rotate, the rack gear 56 rotates to drive the wire wheel 53 to rotate through the wire wheel rotating shaft 54, so that the lifting slide block 51 is driven to move upwards by the lifting pull rope 49, the lifting slide block 51 moves upwards to drive the stop plate 65 and the guide slide block 58 to move upwards through the stop plate rotating shaft 50, and under the guiding action of the guide rail 59 on the guide slide block 58, the stop plate 65 rotates to be vertical to the main box body 10 by taking the stop plate rotating shaft 50 as the center in the upward movement process, so that the vehicle on, the damage to the running vehicle caused by the falling objects at high altitude is prevented; when protection is not needed, the shifting plate 62 is shifted downwards, so that the lifting box 64 is driven to move downwards by overcoming the thrust of the lifting box spring 63, the wire wheel 53 is driven to rotate reversely, the lifting slide block 51 loses the tension of the guide rail 59 and then moves downwards under the action of self-weight, the blocking plate 65 is driven to move downwards and simultaneously rotate reversely and reset to the initial position, and after the lifting box 64 moves downwards to the initial position, the lifting box 64 is limited and fixed again through the limiting block 23; when the fence needs to be transferred and removed, the lower pull ring 19 is pulled, so that the pawl box 47 is driven to move inwards by overcoming the thrust of the pawl box spring 45 through the pawl box pull rope 29, the non-return pawl 27 is driven to move inwards to be separated from the ratchet wheel 38, the lifting rotating shaft 70 is enabled to rotate reversely under the elastic force of the reverse return spring 41 after the ratchet wheel 38 is out of limit, the drill bit 34 is driven to move upwards to the initial position through the lifting rotating plate 36, and the main box body 10 is not fixed with the bottom surface any more, so that subsequent transfer is facilitated.
The invention has the beneficial effects that: through preventing weighing down net and rail integration, the accessible is opened and is prevented weighing down the net and carry out the eminence and prevent weighing down when carrying out overhead construction, solved frequently to build the scaffold of dismantlement when overhead construction and lead to preventing weighing down the problem that net nothing is fixed, will pass through the magnetic force between vehicle iron automobile body and the magnetic slider as power, downstream when driving the drill bit pivoted, thereby realize automatic fixed, it is fixed comparatively firm to creep into downwards through the drill bit simultaneously, can play certain anticollision effect, when needs are demolishd, the pulling pull ring can be removed fixedly automatically.
The above description is only an embodiment of the invention, but the scope of the invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the invention. Therefore, the protection scope of the invention should be subject to the protection scope defined by the claims.
Claims (1)
1. The utility model provides a can prevent self-fixing railway construction protection rail of eminence object that falls, includes the main tank body, its characterized in that: a magnetic slider cavity with a right opening is arranged in the main box body, a lifting box cavity with an upward opening is arranged on the upper side of the magnetic slider cavity, a crank connecting rod cavity is communicated with the left side of the magnetic slider cavity, pull ring cavities which are arranged at equal intervals from top to bottom and have leftward openings are arranged on the lower side of the crank connecting rod cavity, pull rings are connected in a sliding fit manner in the pull ring cavities, flywheel cavities are arranged on the upper side of the crank connecting rod cavity, pawl box sliding cavities are symmetrically arranged on the front side and the rear side of the flywheel cavities, a ratchet cavity is communicated with the outside of the pawl box sliding cavities, a drill bit cavity with a downward opening is arranged on the lower side of the ratchet cavity, a lifting box is connected in a sliding fit manner in the lifting box cavity, a blocking plate cavity with a right opening and an upward opening is arranged in the lifting box, a rack gear cavity with a right opening is arranged on the lower side of the blocking plate cavity, a gear cavity, a shifting plate penetrating through the shifting plate cavity to the outside is fixedly connected to the left end face of the lifting box, a lifting box spring is fixedly connected between the lower end face of the lifting box and the lower end wall of the lifting box, and a rack corresponding to the rack-and-pinion cavity is fixedly connected to the right end wall of the lifting box cavity;
the upper side of the crank connecting rod cavity is provided with two belt wheel cavities which are symmetrically arranged up and down and extend towards the front side and the rear side, the upper end wall in the crank connecting rod cavity is connected with a transmission middle shaft which extends upwards to penetrate through the flywheel cavity to the upper side in the belt wheel cavity and extends downwards to the crank connecting rod cavity in a rotating and matching manner, the tail end of the lower side of the transmission middle shaft is fixedly connected with a one-way bearing, the one-way bearing is connected with a rotary table in a rotating and matching manner, the lower end surface of the rotary table is fixedly connected with a cylindrical pin, the tail end of the lower side of the cylindrical pin is connected with a connecting rod which extends rightwards to the magnetic sliding block cavity in a rotating and matching manner, the tail end of the right side of the connecting;
an inner belt wheel fixedly connected with the transmission center shaft is arranged in the belt wheel cavity, a drill bit rotating shaft which extends upwards into the belt wheel cavity and extends downwards into the drill bit cavity is connected to the upper end wall of the ratchet wheel cavity in a rotating fit manner, the drill bit rotating shaft extends downwards into the drill bit cavity through the ratchet wheel cavity, a middle belt wheel is fixedly connected to the tail end of the upper side of the drill bit rotating shaft, a drill bit which is connected with the drill bit rotating shaft in a spline fit manner is arranged in the drill bit cavity, a lifting rotating plate cavity is communicated with the outer side of the drill bit cavity, a lifting rotating plate which extends outwards into the lifting rotating plate cavity is connected to the tail end of the upper side of the drill bit rotating shaft in a rotating fit manner, a lifting rotating shaft which extends upwards into the belt wheel cavity and is in threaded fit connection with the lifting rotating plate is connected to the lower end wall of the, the outer belt wheel, the middle belt wheel and the inner belt wheel are connected with a transmission belt in a power fit manner;
a pawl box is connected in a sliding cavity of the pawl box in a sliding fit manner, a ratchet wheel fixedly connected with the drill bit rotating shaft is arranged in the ratchet wheel cavity, a pawl box spring is fixedly connected between the inner end surface of the pawl box and the inner end wall of the sliding cavity of the pawl box, a pawl cavity with an outward opening is arranged in the pawl box, a pawl rotating shaft is connected between the upper end wall and the lower end wall of the pawl cavity in a rotating fit manner, a non-return pawl capable of being abutted against the ratchet wheel is fixedly connected to the pawl rotating shaft, and a pawl box pull rope with the other end fixedly connected with the right end surface of the pull ring at the lower;
the rear side of the baffle plate cavity is communicated with a guide rail, the front side of the baffle plate cavity is communicated with a lifting slider cavity, the lifting slider cavity is connected with a lifting slider in a sliding fit manner, the lifting slider is connected with a baffle plate rotating shaft which extends backwards into the baffle plate cavity in a rotating fit manner, a lifting box is fixedly connected onto the baffle plate rotating shaft, the rear end face of the lifting box is fixedly connected with a guide slider which is connected with the guide rail in a sliding fit manner, a left-right through anti-falling net is arranged in the baffle plate in an initial state, and an anti-falling net cavity is fixedly connected between the upper end wall and the lower end wall of the;
the front end wall of the rack and gear cavity is connected with a wire wheel rotating shaft which extends forwards into the wire wheel cavity and backwards into the rack and gear cavity in a rotating and matching way, the tail end of the rear side of the rotating shaft of the wire wheel is fixedly connected with a rack gear which can be meshed with the rack, the tail end of the rear side of the rotating shaft of the wire wheel is fixedly connected with the wire wheel, the other end of the lifting pull rope is fixedly connected with the upper end face of the lifting slide block, a limiting cavity with a leftward opening is arranged on the left side of the rack and gear cavity, a limiting block cavity which can correspond to the limiting cavity is communicated with the left side of the lifting box cavity, a limiting block is connected in the limiting block cavity in a sliding fit manner, a limiting block spring is fixedly connected between the left end surface of the limiting block and the left end wall of the limiting block cavity, the left end face of the limiting block is fixedly connected with a limiting block pull rope, the other end of the limiting block pull rope is fixedly connected with the upper side of the limiting block, and the right end face of the pull ring is fixedly connected with the limiting block pull rope.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010495869.3A CN111576288B (en) | 2020-06-03 | 2020-06-03 | Can prevent self-fixing railway construction protection rail that eminence fell object |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010495869.3A CN111576288B (en) | 2020-06-03 | 2020-06-03 | Can prevent self-fixing railway construction protection rail that eminence fell object |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111576288A CN111576288A (en) | 2020-08-25 |
| CN111576288B true CN111576288B (en) | 2021-05-04 |
Family
ID=72119953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010495869.3A Active CN111576288B (en) | 2020-06-03 | 2020-06-03 | Can prevent self-fixing railway construction protection rail that eminence fell object |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111576288B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114016442A (en) * | 2021-11-26 | 2022-02-08 | 湖北鑫海众成建设工程有限公司 | Bridge reinforcing device convenient to disassemble and assemble and using method thereof |
Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100527791B1 (en) * | 2004-09-23 | 2005-11-15 | 이수행 | Barrier gate containing control system |
| KR100871417B1 (en) * | 2008-05-08 | 2008-12-03 | (주) 에스앤비하이드로 | Automatic fall down railing |
| CN202245592U (en) * | 2011-07-28 | 2012-05-30 | 吴江市宏亿纺织有限公司 | Flexible guardrail for installation |
| CN206309046U (en) * | 2016-12-01 | 2017-07-07 | 钱靖 | A kind of construction safety device |
| CN207032909U (en) * | 2017-06-16 | 2018-02-23 | 江西省欣阳汽车零部件制造有限公司 | A kind of safety guide rail for preventing falling from high altitude |
| CN107795193A (en) * | 2017-11-11 | 2018-03-13 | 李仲来 | A kind of environment-friendly type road bridge construction guard rail |
| CN207110514U (en) * | 2017-07-11 | 2018-03-16 | 北京众享智选科技有限公司 | A kind of exterior wall protector for architectural engineering |
| CN108166766A (en) * | 2017-12-27 | 2018-06-15 | 中国核工业二四建设有限公司 | A kind of collapsible protective device of overhanging type on pylon |
| KR101962657B1 (en) * | 2018-10-30 | 2019-03-27 | 이재천 | Divisional Strip with Improved Assembly |
| CN208702187U (en) * | 2018-07-09 | 2019-04-05 | 江苏兴邦建工集团有限公司 | A kind of collapsible throwing net of prefabrication |
| KR101988197B1 (en) * | 2019-02-11 | 2019-09-30 | (주)유일기계플랜트 | safety net for preventing falling |
| CN209469028U (en) * | 2018-11-29 | 2019-10-08 | 中建八局第一建设有限公司 | A kind of elevator Multifunctional protection device for power |
| CN209837746U (en) * | 2019-03-11 | 2019-12-24 | 青岛中嘉建设集团有限公司 | High-rise building is with protection machanism who prevents high altitude weight thing |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101589481B1 (en) * | 2014-04-14 | 2016-01-28 | 주식회사 신우랜드 | Pavilion having emproved shading structure |
| CN205804167U (en) * | 2016-05-18 | 2016-12-14 | 江苏威拓公路养护设备有限公司 | A kind of bridge inspection vehicle rotation platform magnetic locking device |
| CN209053519U (en) * | 2018-09-02 | 2019-07-02 | 国闰建设集团有限公司 | A kind of construction road alarming device |
| CN208996490U (en) * | 2018-10-16 | 2019-06-18 | 潘爱民 | A kind of double-deck overturning building protective screening |
| KR102362725B1 (en) * | 2018-10-22 | 2022-02-15 | (주)엘엑스하우시스 | Fall proofing Network Assembly for Window Construction |
| CN209114324U (en) * | 2018-11-30 | 2019-07-16 | 王治平 | A kind of road and bridge protective fence |
| CN209178824U (en) * | 2018-12-19 | 2019-07-30 | 张天泉 | A kind of anti-throwing web frame of bridge on highway steel guard rail |
| CN210086871U (en) * | 2019-05-07 | 2020-02-18 | 湖南省第四工程有限公司 | Safety device for building engineering |
| CN210460041U (en) * | 2019-07-18 | 2020-05-05 | 薛飞 | Make things convenient for rail guard for building of dismouting |
| CN210554872U (en) * | 2019-07-19 | 2020-05-19 | 中国铁路济南局集团有限公司济南西车辆段 | Railway train inspection protection signal generating device with voice alarm function |
| CN110984687B (en) * | 2019-12-23 | 2021-06-08 | 义乌市择木工业产品设计有限公司 | Foundation ditch safety device based on town road engineering |
-
2020
- 2020-06-03 CN CN202010495869.3A patent/CN111576288B/en active Active
Patent Citations (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100527791B1 (en) * | 2004-09-23 | 2005-11-15 | 이수행 | Barrier gate containing control system |
| KR100871417B1 (en) * | 2008-05-08 | 2008-12-03 | (주) 에스앤비하이드로 | Automatic fall down railing |
| CN202245592U (en) * | 2011-07-28 | 2012-05-30 | 吴江市宏亿纺织有限公司 | Flexible guardrail for installation |
| CN206309046U (en) * | 2016-12-01 | 2017-07-07 | 钱靖 | A kind of construction safety device |
| CN207032909U (en) * | 2017-06-16 | 2018-02-23 | 江西省欣阳汽车零部件制造有限公司 | A kind of safety guide rail for preventing falling from high altitude |
| CN207110514U (en) * | 2017-07-11 | 2018-03-16 | 北京众享智选科技有限公司 | A kind of exterior wall protector for architectural engineering |
| CN107795193A (en) * | 2017-11-11 | 2018-03-13 | 李仲来 | A kind of environment-friendly type road bridge construction guard rail |
| CN108166766A (en) * | 2017-12-27 | 2018-06-15 | 中国核工业二四建设有限公司 | A kind of collapsible protective device of overhanging type on pylon |
| CN208702187U (en) * | 2018-07-09 | 2019-04-05 | 江苏兴邦建工集团有限公司 | A kind of collapsible throwing net of prefabrication |
| KR101962657B1 (en) * | 2018-10-30 | 2019-03-27 | 이재천 | Divisional Strip with Improved Assembly |
| CN209469028U (en) * | 2018-11-29 | 2019-10-08 | 中建八局第一建设有限公司 | A kind of elevator Multifunctional protection device for power |
| KR101988197B1 (en) * | 2019-02-11 | 2019-09-30 | (주)유일기계플랜트 | safety net for preventing falling |
| CN209837746U (en) * | 2019-03-11 | 2019-12-24 | 青岛中嘉建设集团有限公司 | High-rise building is with protection machanism who prevents high altitude weight thing |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111576288A (en) | 2020-08-25 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110696200A (en) | Automatic drilling robot | |
| CN111576288B (en) | Can prevent self-fixing railway construction protection rail that eminence fell object | |
| CN111485508B (en) | Automatic installation device for traffic deceleration strip | |
| CN111285277A (en) | Worm gear type ratchet wheel type winding mechanism | |
| CN111392623A (en) | Pawl type worm gear one-way force transmission speed reducing mechanism | |
| CN212198290U (en) | Worm gear type ratchet wheel type winding mechanism | |
| CN107720570B (en) | Tower crane buttress auxiliary device of tower mast mechanism | |
| CN109867148A (en) | The feeding device that field uses is built in a kind of room | |
| CN110626967B (en) | Crane with overload locking device | |
| CN112918675A (en) | Unmanned aerial vehicle for water quality monitoring of maintaining dynamic balance | |
| CN214697427U (en) | Mechanical device for emergency opening of automobile electric glass | |
| CN113266142B (en) | Rapid lifting platform for elevator shaft construction | |
| CN205966423U (en) | Quick release mechanism of torque output system | |
| CN113896102A (en) | Special buffer gear of ocean engineering hoist and mount operation | |
| CN207093372U (en) | Drive formula screw pump frequency-conversion drive apparatus in side | |
| CN110965829B (en) | Intelligent stereoscopic parking space capable of improving road utilization efficiency | |
| CN111362117A (en) | Safe building feeding equipment | |
| CN206888905U (en) | A kind of cat ladder | |
| CN112271992A (en) | Can respond to automatic solar panel device of protecting of wind-force | |
| CN111915747A (en) | Automatic parking charging telescopic pile device for preventing ticket evasion with car | |
| CN111172871A (en) | Liftable formula bridge railing | |
| RU2651236C1 (en) | Rescue device for drilling platform evacuation | |
| CN220951103U (en) | Lifting platform for building construction | |
| CN212198297U (en) | Pawl type worm gear one-way force transmission speed reducing mechanism | |
| CN218708847U (en) | Safety lifting device for building construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| TA01 | Transfer of patent application right | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20210416 Address after: Huai Zhen Zhong Jie Cun Jiu Cuo, Changle city of Fujian Province, Fuzhou City, No. 149, 350200 Applicant after: Zhuang Weiqing Address before: 322000 No.51 Shibi village, Fotang Town, Yiwu City, Jinhua City, Zhejiang Province Applicant before: Yiwu Xuanjiu Railway Technology Co.,Ltd. |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |